Does Superhuman have Function Calling?

We have not verified whether Superhuman supports Function Calling. Developers can define custom tools/functions that the AI can choose to invoke, returning structured JSON arguments to execute actions. Superhuman is a paid productivity suite: the original fast email client, Superhuman Docs, Grammarly as the writing partner, and Go (a proactive assistant across Gmail, Drive, Jira). Tool use in AI features was not confirmed.

Tool: ⚡ Superhuman by Superhuman
Feature: Function Calling · Developer
Status: Unknown
Notes: Tool use in AI features was not confirmed.
Pricing: Plan availability not confirmed.
Last verified: 2026-09-02

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How do other tools compare for Function Calling?

🤖ChatGPTYes, requires pro plan 🖌️Canva Magic StudioNo ✨Google GeminiYes, requires pro plan 🐋DeepSeekYes, requires pro plan 📝Notion AINo 🧠ClaudeYes, requires pro plan 🤖Microsoft CopilotNo 🔍Perplexity AINo 🐙GitHub CopilotYes, requires pro plan 🎨FigmaYes, requires plus plan 🎵SunoNo 🎙️ElevenLabsNo